EP0920966A3 - Verfahren zum Entgasen - Google Patents
Verfahren zum Entgasen Download PDFInfo
- Publication number
- EP0920966A3 EP0920966A3 EP98307672A EP98307672A EP0920966A3 EP 0920966 A3 EP0920966 A3 EP 0920966A3 EP 98307672 A EP98307672 A EP 98307672A EP 98307672 A EP98307672 A EP 98307672A EP 0920966 A3 EP0920966 A3 EP 0920966A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- blowing agent
- zone
- polymer
- reduced pressure
- mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000004604 Blowing Agent Substances 0.000 abstract 8
- 229920000642 polymer Polymers 0.000 abstract 8
- 238000002844 melting Methods 0.000 abstract 4
- 230000008018 melting Effects 0.000 abstract 4
- 239000012535 impurity Substances 0.000 abstract 2
- 239000004594 Masterbatch (MB) Substances 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
- B29B7/847—Removing of gaseous components before or after mixing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US985796 | 1997-12-05 | ||
| US08/985,796 US5932691A (en) | 1997-12-05 | 1997-12-05 | Process for devolatilization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0920966A2 EP0920966A2 (de) | 1999-06-09 |
| EP0920966A3 true EP0920966A3 (de) | 2001-02-07 |
Family
ID=25531802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98307672A Withdrawn EP0920966A3 (de) | 1997-12-05 | 1998-09-22 | Verfahren zum Entgasen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5932691A (de) |
| EP (1) | EP0920966A3 (de) |
| JP (1) | JP3261401B2 (de) |
| AU (1) | AU733533B2 (de) |
| BR (1) | BR9804297A (de) |
| CA (1) | CA2255173A1 (de) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4108819B2 (ja) * | 1998-03-27 | 2008-06-25 | 新日鐵化学株式会社 | 重合液組成物の脱揮処理方法 |
| US6280667B1 (en) | 1999-04-19 | 2001-08-28 | Andersen Corporation | Process for making thermoplastic-biofiber composite materials and articles including a poly(vinylchloride) component |
| JP2002363298A (ja) * | 2001-06-12 | 2002-12-18 | Japan Polychem Corp | ブロー成形容器 |
| JP2002363358A (ja) * | 2001-06-12 | 2002-12-18 | Japan Polychem Corp | 熱成形容器 |
| JP4661205B2 (ja) * | 2004-12-16 | 2011-03-30 | 旭硝子株式会社 | 含フッ素共重合体組成物及びそれからなる成形品 |
| DE102007029010A1 (de) * | 2006-08-26 | 2008-02-28 | Bayer Materialscience Ag | Verfahren zum Compoundieren von Polymeren |
| DE102011080223A1 (de) * | 2011-08-01 | 2013-02-07 | Henkel Ag & Co. Kgaa | Thermisch härtbare Zubereitungen |
| US10532495B2 (en) | 2012-05-31 | 2020-01-14 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous filament from recycled PET |
| US8597553B1 (en) | 2012-05-31 | 2013-12-03 | Mohawk Industries, Inc. | Systems and methods for manufacturing bulked continuous filament |
| US11045979B2 (en) | 2012-05-31 | 2021-06-29 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous filament from recycled PET |
| US10695953B2 (en) | 2012-05-31 | 2020-06-30 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous carpet filament |
| US9630354B2 (en) * | 2012-05-31 | 2017-04-25 | Mohawk Industries, Inc. | Method of manufacturing bulked continuous filament |
| US10487422B2 (en) | 2012-05-31 | 2019-11-26 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous filament from colored recycled pet |
| US9630353B2 (en) | 2012-05-31 | 2017-04-25 | Mohawk Industries, Inc. | Method of manufacturing bulked continuous filament |
| US9636860B2 (en) | 2012-05-31 | 2017-05-02 | Mohawk Industries, Inc. | Method of manufacturing bulked continuous filament |
| US9636845B2 (en) | 2012-05-31 | 2017-05-02 | Mohawk Industries, Inc. | Method of manufacturing pet nurdles |
| US10538016B2 (en) | 2012-05-31 | 2020-01-21 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous carpet filament |
| DE102014221060A1 (de) | 2014-10-16 | 2016-04-21 | Henkel Ag & Co. Kgaa | Thermisch expandierbare Zusammensetzung |
| US10751915B2 (en) | 2016-11-10 | 2020-08-25 | Aladdin Manufacturing Corporation | Polyethylene terephthalate coloring systems and methods |
| WO2018140884A1 (en) | 2017-01-30 | 2018-08-02 | Mohawk Industries, Inc. | Methods for manufacturing bulked continuous filament from colored recycled pet |
| US20180250864A1 (en) | 2017-03-03 | 2018-09-06 | Mohawk Industries, Inc. | Polymer extruders with a dual vacuum arrangement and related methods |
| US11473216B2 (en) | 2017-09-15 | 2022-10-18 | Aladdin Manufacturing Corporation | Polyethylene terephthalate coloring systems and methods |
| US11242622B2 (en) | 2018-07-20 | 2022-02-08 | Aladdin Manufacturing Corporation | Bulked continuous carpet filament manufacturing from polytrimethylene terephthalate |
| CN109401019B (zh) * | 2018-11-07 | 2021-06-01 | 江苏索普化工股份有限公司 | 一种ldpe高发泡专用无氨味发泡剂母粒及其制备方法 |
| US12343903B2 (en) | 2019-06-05 | 2025-07-01 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous carpet filament |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5597891A (en) * | 1995-08-01 | 1997-01-28 | Eastman Chemical Company | Process for producing polyester articles having low acetaldehyde content |
| US5639801A (en) * | 1995-05-18 | 1997-06-17 | Nova Chemicals Inc. | Processing of anhydride-containing thermoplastic resins |
| US5648032A (en) * | 1995-08-01 | 1997-07-15 | Eastman Chemical Company | Process for producing polyester articles having low acetaldehyde content |
| US5656221A (en) * | 1995-02-01 | 1997-08-12 | Zimmer Aktiengesellschaft | Process for direct production of low acetaldehyde packaging material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3975473A (en) * | 1974-09-12 | 1976-08-17 | Union Carbide Corporation | Process for production of cellular thermoplastic bodies |
| US4302409A (en) * | 1975-09-04 | 1981-11-24 | Union Carbide Corporation | Method for the extrusion of thermoplastic material composites |
| US4169679A (en) * | 1975-09-04 | 1979-10-02 | Union Carbide Corporation | Apparatus for the extrusion of cellular thermoplastic material |
| US5442041A (en) * | 1995-01-19 | 1995-08-15 | Arco Chemical Technology, L.P. | Removal of volatile substances from thermoplastic resins |
-
1997
- 1997-12-05 US US08/985,796 patent/US5932691A/en not_active Expired - Fee Related
-
1998
- 1998-09-22 EP EP98307672A patent/EP0920966A3/de not_active Withdrawn
- 1998-10-27 BR BR9804297-1A patent/BR9804297A/pt not_active IP Right Cessation
- 1998-12-02 JP JP34272998A patent/JP3261401B2/ja not_active Expired - Fee Related
- 1998-12-03 AU AU95214/98A patent/AU733533B2/en not_active Ceased
- 1998-12-03 CA CA002255173A patent/CA2255173A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5656221A (en) * | 1995-02-01 | 1997-08-12 | Zimmer Aktiengesellschaft | Process for direct production of low acetaldehyde packaging material |
| US5639801A (en) * | 1995-05-18 | 1997-06-17 | Nova Chemicals Inc. | Processing of anhydride-containing thermoplastic resins |
| US5597891A (en) * | 1995-08-01 | 1997-01-28 | Eastman Chemical Company | Process for producing polyester articles having low acetaldehyde content |
| US5648032A (en) * | 1995-08-01 | 1997-07-15 | Eastman Chemical Company | Process for producing polyester articles having low acetaldehyde content |
Also Published As
| Publication number | Publication date |
|---|---|
| US5932691A (en) | 1999-08-03 |
| CA2255173A1 (en) | 1999-06-05 |
| AU9521498A (en) | 1999-06-24 |
| JP3261401B2 (ja) | 2002-03-04 |
| JPH11335465A (ja) | 1999-12-07 |
| EP0920966A2 (de) | 1999-06-09 |
| AU733533B2 (en) | 2001-05-17 |
| BR9804297A (pt) | 2000-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE ES FR GB IT NL SE |
|
| AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
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| AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
| RIC1 | Information provided on ipc code assigned before grant |
Free format text: 7B 29B 7/84 A, 7B 29C 47/76 B, 7C 08G 63/88 B, 7C 08F 6/00 B |
|
| 17P | Request for examination filed |
Effective date: 20010807 |
|
| AKX | Designation fees paid |
Free format text: DE ES FR GB IT NL SE |
|
| 17Q | First examination report despatched |
Effective date: 20020612 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20030315 |